并通过高压换流变压器试验，说明如材料、环境等条件对直流工作的影响。
And through the tests of HVDC converter transformer, the influence of material and environment, etc. on operation of HVDC was explained.
高压直流试验是换流变压器的例行试验之一。
HVDC test is one of routine tests on the converter transformer.
计算了换流变压器阀侧绕组在极性反转试验电压下端部电场的分布情况，并对计算结果进行了分析。
The end electrical field distribution under polarity reverse test voltage of valve winding in converter transformer is calculated. The results are analyzed.
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